--- /dev/null
+/** vim: et:ts=4:sw=4:sts=4
+ * @license RequireJS 2.0.6 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+//Not using strict: uneven strict support in browsers, #392, and causes
+//problems with requirejs.exec()/transpiler plugins that may not be strict.
+/*jslint regexp: true, nomen: true, sloppy: true */
+/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */
+
+var requirejs, require, define;
+(function (global) {
+ var req, s, head, baseElement, dataMain, src,
+ interactiveScript, currentlyAddingScript, mainScript, subPath,
+ version = '2.0.6',
+ commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
+ cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
+ jsSuffixRegExp = /\.js$/,
+ currDirRegExp = /^\.\//,
+ op = Object.prototype,
+ ostring = op.toString,
+ hasOwn = op.hasOwnProperty,
+ ap = Array.prototype,
+ aps = ap.slice,
+ apsp = ap.splice,
+ isBrowser = !!(typeof window !== 'undefined' && navigator && document),
+ isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
+ //PS3 indicates loaded and complete, but need to wait for complete
+ //specifically. Sequence is 'loading', 'loaded', execution,
+ // then 'complete'. The UA check is unfortunate, but not sure how
+ //to feature test w/o causing perf issues.
+ readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
+ /^complete$/ : /^(complete|loaded)$/,
+ defContextName = '_',
+ //Oh the tragedy, detecting opera. See the usage of isOpera for reason.
+ isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
+ contexts = {},
+ cfg = {},
+ globalDefQueue = [],
+ useInteractive = false;
+
+ function isFunction(it) {
+ return ostring.call(it) === '[object Function]';
+ }
+
+ function isArray(it) {
+ return ostring.call(it) === '[object Array]';
+ }
+
+ /**
+ * Helper function for iterating over an array. If the func returns
+ * a true value, it will break out of the loop.
+ */
+ function each(ary, func) {
+ if (ary) {
+ var i;
+ for (i = 0; i < ary.length; i += 1) {
+ if (ary[i] && func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Helper function for iterating over an array backwards. If the func
+ * returns a true value, it will break out of the loop.
+ */
+ function eachReverse(ary, func) {
+ if (ary) {
+ var i;
+ for (i = ary.length - 1; i > -1; i -= 1) {
+ if (ary[i] && func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ function hasProp(obj, prop) {
+ return hasOwn.call(obj, prop);
+ }
+
+ /**
+ * Cycles over properties in an object and calls a function for each
+ * property value. If the function returns a truthy value, then the
+ * iteration is stopped.
+ */
+ function eachProp(obj, func) {
+ var prop;
+ for (prop in obj) {
+ if (obj.hasOwnProperty(prop)) {
+ if (func(obj[prop], prop)) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Simple function to mix in properties from source into target,
+ * but only if target does not already have a property of the same name.
+ * This is not robust in IE for transferring methods that match
+ * Object.prototype names, but the uses of mixin here seem unlikely to
+ * trigger a problem related to that.
+ */
+ function mixin(target, source, force, deepStringMixin) {
+ if (source) {
+ eachProp(source, function (value, prop) {
+ if (force || !hasProp(target, prop)) {
+ if (deepStringMixin && typeof value !== 'string') {
+ if (!target[prop]) {
+ target[prop] = {};
+ }
+ mixin(target[prop], value, force, deepStringMixin);
+ } else {
+ target[prop] = value;
+ }
+ }
+ });
+ }
+ return target;
+ }
+
+ //Similar to Function.prototype.bind, but the 'this' object is specified
+ //first, since it is easier to read/figure out what 'this' will be.
+ function bind(obj, fn) {
+ return function () {
+ return fn.apply(obj, arguments);
+ };
+ }
+
+ function scripts() {
+ return document.getElementsByTagName('script');
+ }
+
+ //Allow getting a global that expressed in
+ //dot notation, like 'a.b.c'.
+ function getGlobal(value) {
+ if (!value) {
+ return value;
+ }
+ var g = global;
+ each(value.split('.'), function (part) {
+ g = g[part];
+ });
+ return g;
+ }
+
+ function makeContextModuleFunc(func, relMap, enableBuildCallback) {
+ return function () {
+ //A version of a require function that passes a moduleName
+ //value for items that may need to
+ //look up paths relative to the moduleName
+ var args = aps.call(arguments, 0), lastArg;
+ if (enableBuildCallback &&
+ isFunction((lastArg = args[args.length - 1]))) {
+ lastArg.__requireJsBuild = true;
+ }
+ args.push(relMap);
+ return func.apply(null, args);
+ };
+ }
+
+ function addRequireMethods(req, context, relMap) {
+ each([
+ ['toUrl'],
+ ['undef'],
+ ['defined', 'requireDefined'],
+ ['specified', 'requireSpecified']
+ ], function (item) {
+ var prop = item[1] || item[0];
+ req[item[0]] = context ? makeContextModuleFunc(context[prop], relMap) :
+ //If no context, then use default context. Reference from
+ //contexts instead of early binding to default context, so
+ //that during builds, the latest instance of the default
+ //context with its config gets used.
+ function () {
+ var ctx = contexts[defContextName];
+ return ctx[prop].apply(ctx, arguments);
+ };
+ });
+ }
+
+ /**
+ * Constructs an error with a pointer to an URL with more information.
+ * @param {String} id the error ID that maps to an ID on a web page.
+ * @param {String} message human readable error.
+ * @param {Error} [err] the original error, if there is one.
+ *
+ * @returns {Error}
+ */
+ function makeError(id, msg, err, requireModules) {
+ var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
+ e.requireType = id;
+ e.requireModules = requireModules;
+ if (err) {
+ e.originalError = err;
+ }
+ return e;
+ }
+
+ if (typeof define !== 'undefined') {
+ //If a define is already in play via another AMD loader,
+ //do not overwrite.
+ return;
+ }
+
+ if (typeof requirejs !== 'undefined') {
+ if (isFunction(requirejs)) {
+ //Do not overwrite and existing requirejs instance.
+ return;
+ }
+ cfg = requirejs;
+ requirejs = undefined;
+ }
+
+ //Allow for a require config object
+ if (typeof require !== 'undefined' && !isFunction(require)) {
+ //assume it is a config object.
+ cfg = require;
+ require = undefined;
+ }
+
+ function newContext(contextName) {
+ var inCheckLoaded, Module, context, handlers,
+ checkLoadedTimeoutId,
+ config = {
+ waitSeconds: 7,
+ baseUrl: './',
+ paths: {},
+ pkgs: {},
+ shim: {}
+ },
+ registry = {},
+ undefEvents = {},
+ defQueue = [],
+ defined = {},
+ urlFetched = {},
+ requireCounter = 1,
+ unnormalizedCounter = 1,
+ //Used to track the order in which modules
+ //should be executed, by the order they
+ //load. Important for consistent cycle resolution
+ //behavior.
+ waitAry = [];
+
+ /**
+ * Trims the . and .. from an array of path segments.
+ * It will keep a leading path segment if a .. will become
+ * the first path segment, to help with module name lookups,
+ * which act like paths, but can be remapped. But the end result,
+ * all paths that use this function should look normalized.
+ * NOTE: this method MODIFIES the input array.
+ * @param {Array} ary the array of path segments.
+ */
+ function trimDots(ary) {
+ var i, part;
+ for (i = 0; ary[i]; i += 1) {
+ part = ary[i];
+ if (part === '.') {
+ ary.splice(i, 1);
+ i -= 1;
+ } else if (part === '..') {
+ if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
+ //End of the line. Keep at least one non-dot
+ //path segment at the front so it can be mapped
+ //correctly to disk. Otherwise, there is likely
+ //no path mapping for a path starting with '..'.
+ //This can still fail, but catches the most reasonable
+ //uses of ..
+ break;
+ } else if (i > 0) {
+ ary.splice(i - 1, 2);
+ i -= 2;
+ }
+ }
+ }
+ }
+
+ /**
+ * Given a relative module name, like ./something, normalize it to
+ * a real name that can be mapped to a path.
+ * @param {String} name the relative name
+ * @param {String} baseName a real name that the name arg is relative
+ * to.
+ * @param {Boolean} applyMap apply the map config to the value. Should
+ * only be done if this normalization is for a dependency ID.
+ * @returns {String} normalized name
+ */
+ function normalize(name, baseName, applyMap) {
+ var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment,
+ foundMap, foundI, foundStarMap, starI,
+ baseParts = baseName && baseName.split('/'),
+ normalizedBaseParts = baseParts,
+ map = config.map,
+ starMap = map && map['*'];
+
+ //Adjust any relative paths.
+ if (name && name.charAt(0) === '.') {
+ //If have a base name, try to normalize against it,
+ //otherwise, assume it is a top-level require that will
+ //be relative to baseUrl in the end.
+ if (baseName) {
+ if (config.pkgs[baseName]) {
+ //If the baseName is a package name, then just treat it as one
+ //name to concat the name with.
+ normalizedBaseParts = baseParts = [baseName];
+ } else {
+ //Convert baseName to array, and lop off the last part,
+ //so that . matches that 'directory' and not name of the baseName's
+ //module. For instance, baseName of 'one/two/three', maps to
+ //'one/two/three.js', but we want the directory, 'one/two' for
+ //this normalization.
+ normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
+ }
+
+ name = normalizedBaseParts.concat(name.split('/'));
+ trimDots(name);
+
+ //Some use of packages may use a . path to reference the
+ //'main' module name, so normalize for that.
+ pkgConfig = config.pkgs[(pkgName = name[0])];
+ name = name.join('/');
+ if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
+ name = pkgName;
+ }
+ } else if (name.indexOf('./') === 0) {
+ // No baseName, so this is ID is resolved relative
+ // to baseUrl, pull off the leading dot.
+ name = name.substring(2);
+ }
+ }
+
+ //Apply map config if available.
+ if (applyMap && (baseParts || starMap) && map) {
+ nameParts = name.split('/');
+
+ for (i = nameParts.length; i > 0; i -= 1) {
+ nameSegment = nameParts.slice(0, i).join('/');
+
+ if (baseParts) {
+ //Find the longest baseName segment match in the config.
+ //So, do joins on the biggest to smallest lengths of baseParts.
+ for (j = baseParts.length; j > 0; j -= 1) {
+ mapValue = map[baseParts.slice(0, j).join('/')];
+
+ //baseName segment has config, find if it has one for
+ //this name.
+ if (mapValue) {
+ mapValue = mapValue[nameSegment];
+ if (mapValue) {
+ //Match, update name to the new value.
+ foundMap = mapValue;
+ foundI = i;
+ break;
+ }
+ }
+ }
+ }
+
+ if (foundMap) {
+ break;
+ }
+
+ //Check for a star map match, but just hold on to it,
+ //if there is a shorter segment match later in a matching
+ //config, then favor over this star map.
+ if (!foundStarMap && starMap && starMap[nameSegment]) {
+ foundStarMap = starMap[nameSegment];
+ starI = i;
+ }
+ }
+
+ if (!foundMap && foundStarMap) {
+ foundMap = foundStarMap;
+ foundI = starI;
+ }
+
+ if (foundMap) {
+ nameParts.splice(0, foundI, foundMap);
+ name = nameParts.join('/');
+ }
+ }
+
+ return name;
+ }
+
+ function removeScript(name) {
+ if (isBrowser) {
+ each(scripts(), function (scriptNode) {
+ if (scriptNode.getAttribute('data-requiremodule') === name &&
+ scriptNode.getAttribute('data-requirecontext') === context.contextName) {
+ scriptNode.parentNode.removeChild(scriptNode);
+ return true;
+ }
+ });
+ }
+ }
+
+ function hasPathFallback(id) {
+ var pathConfig = config.paths[id];
+ if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
+ removeScript(id);
+ //Pop off the first array value, since it failed, and
+ //retry
+ pathConfig.shift();
+ context.undef(id);
+ context.require([id]);
+ return true;
+ }
+ }
+
+ /**
+ * Creates a module mapping that includes plugin prefix, module
+ * name, and path. If parentModuleMap is provided it will
+ * also normalize the name via require.normalize()
+ *
+ * @param {String} name the module name
+ * @param {String} [parentModuleMap] parent module map
+ * for the module name, used to resolve relative names.
+ * @param {Boolean} isNormalized: is the ID already normalized.
+ * This is true if this call is done for a define() module ID.
+ * @param {Boolean} applyMap: apply the map config to the ID.
+ * Should only be true if this map is for a dependency.
+ *
+ * @returns {Object}
+ */
+ function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
+ var url, pluginModule, suffix,
+ index = name ? name.indexOf('!') : -1,
+ prefix = null,
+ parentName = parentModuleMap ? parentModuleMap.name : null,
+ originalName = name,
+ isDefine = true,
+ normalizedName = '';
+
+ //If no name, then it means it is a require call, generate an
+ //internal name.
+ if (!name) {
+ isDefine = false;
+ name = '_@r' + (requireCounter += 1);
+ }
+
+ if (index !== -1) {
+ prefix = name.substring(0, index);
+ name = name.substring(index + 1, name.length);
+ }
+
+ if (prefix) {
+ prefix = normalize(prefix, parentName, applyMap);
+ pluginModule = defined[prefix];
+ }
+
+ //Account for relative paths if there is a base name.
+ if (name) {
+ if (prefix) {
+ if (pluginModule && pluginModule.normalize) {
+ //Plugin is loaded, use its normalize method.
+ normalizedName = pluginModule.normalize(name, function (name) {
+ return normalize(name, parentName, applyMap);
+ });
+ } else {
+ normalizedName = normalize(name, parentName, applyMap);
+ }
+ } else {
+ //A regular module.
+ normalizedName = normalize(name, parentName, applyMap);
+ url = context.nameToUrl(normalizedName);
+ }
+ }
+
+ //If the id is a plugin id that cannot be determined if it needs
+ //normalization, stamp it with a unique ID so two matching relative
+ //ids that may conflict can be separate.
+ suffix = prefix && !pluginModule && !isNormalized ?
+ '_unnormalized' + (unnormalizedCounter += 1) :
+ '';
+
+ return {
+ prefix: prefix,
+ name: normalizedName,
+ parentMap: parentModuleMap,
+ unnormalized: !!suffix,
+ url: url,
+ originalName: originalName,
+ isDefine: isDefine,
+ id: (prefix ?
+ prefix + '!' + normalizedName :
+ normalizedName) + suffix
+ };
+ }
+
+ function getModule(depMap) {
+ var id = depMap.id,
+ mod = registry[id];
+
+ if (!mod) {
+ mod = registry[id] = new context.Module(depMap);
+ }
+
+ return mod;
+ }
+
+ function on(depMap, name, fn) {
+ var id = depMap.id,
+ mod = registry[id];
+
+ if (hasProp(defined, id) &&
+ (!mod || mod.defineEmitComplete)) {
+ if (name === 'defined') {
+ fn(defined[id]);
+ }
+ } else {
+ getModule(depMap).on(name, fn);
+ }
+ }
+
+ function onError(err, errback) {
+ var ids = err.requireModules,
+ notified = false;
+
+ if (errback) {
+ errback(err);
+ } else {
+ each(ids, function (id) {
+ var mod = registry[id];
+ if (mod) {
+ //Set error on module, so it skips timeout checks.
+ mod.error = err;
+ if (mod.events.error) {
+ notified = true;
+ mod.emit('error', err);
+ }
+ }
+ });
+
+ if (!notified) {
+ req.onError(err);
+ }
+ }
+ }
+
+ /**
+ * Internal method to transfer globalQueue items to this context's
+ * defQueue.
+ */
+ function takeGlobalQueue() {
+ //Push all the globalDefQueue items into the context's defQueue
+ if (globalDefQueue.length) {
+ //Array splice in the values since the context code has a
+ //local var ref to defQueue, so cannot just reassign the one
+ //on context.
+ apsp.apply(defQueue,
+ [defQueue.length - 1, 0].concat(globalDefQueue));
+ globalDefQueue = [];
+ }
+ }
+
+ /**
+ * Helper function that creates a require function object to give to
+ * modules that ask for it as a dependency. It needs to be specific
+ * per module because of the implication of path mappings that may
+ * need to be relative to the module name.
+ */
+ function makeRequire(mod, enableBuildCallback, altRequire) {
+ var relMap = mod && mod.map,
+ modRequire = makeContextModuleFunc(altRequire || context.require,
+ relMap,
+ enableBuildCallback);
+
+ addRequireMethods(modRequire, context, relMap);
+ modRequire.isBrowser = isBrowser;
+
+ return modRequire;
+ }
+
+ handlers = {
+ 'require': function (mod) {
+ return makeRequire(mod);
+ },
+ 'exports': function (mod) {
+ mod.usingExports = true;
+ if (mod.map.isDefine) {
+ return (mod.exports = defined[mod.map.id] = {});
+ }
+ },
+ 'module': function (mod) {
+ return (mod.module = {
+ id: mod.map.id,
+ uri: mod.map.url,
+ config: function () {
+ return (config.config && config.config[mod.map.id]) || {};
+ },
+ exports: defined[mod.map.id]
+ });
+ }
+ };
+
+ function removeWaiting(id) {
+ //Clean up machinery used for waiting modules.
+ delete registry[id];
+
+ each(waitAry, function (mod, i) {
+ if (mod.map.id === id) {
+ waitAry.splice(i, 1);
+ if (!mod.defined) {
+ context.waitCount -= 1;
+ }
+ return true;
+ }
+ });
+ }
+
+ function findCycle(mod, traced, processed) {
+ var id = mod.map.id,
+ depArray = mod.depMaps,
+ foundModule;
+
+ //Do not bother with unitialized modules or not yet enabled
+ //modules.
+ if (!mod.inited) {
+ return;
+ }
+
+ //Found the cycle.
+ if (traced[id]) {
+ return mod;
+ }
+
+ traced[id] = true;
+
+ //Trace through the dependencies.
+ each(depArray, function (depMap) {
+ var depId = depMap.id,
+ depMod = registry[depId];
+
+ if (!depMod || processed[depId] ||
+ !depMod.inited || !depMod.enabled) {
+ return;
+ }
+
+ return (foundModule = findCycle(depMod, traced, processed));
+ });
+
+ processed[id] = true;
+
+ return foundModule;
+ }
+
+ function forceExec(mod, traced, uninited) {
+ var id = mod.map.id,
+ depArray = mod.depMaps;
+
+ if (!mod.inited || !mod.map.isDefine) {
+ return;
+ }
+
+ if (traced[id]) {
+ return defined[id];
+ }
+
+ traced[id] = mod;
+
+ each(depArray, function (depMap) {
+ var depId = depMap.id,
+ depMod = registry[depId],
+ value;
+
+ if (handlers[depId]) {
+ return;
+ }
+
+ if (depMod) {
+ if (!depMod.inited || !depMod.enabled) {
+ //Dependency is not inited,
+ //so this module cannot be
+ //given a forced value yet.
+ uninited[id] = true;
+ return;
+ }
+
+ //Get the value for the current dependency
+ value = forceExec(depMod, traced, uninited);
+
+ //Even with forcing it may not be done,
+ //in particular if the module is waiting
+ //on a plugin resource.
+ if (!uninited[depId]) {
+ mod.defineDepById(depId, value);
+ }
+ }
+ });
+
+ mod.check(true);
+
+ return defined[id];
+ }
+
+ function modCheck(mod) {
+ mod.check();
+ }
+
+ function checkLoaded() {
+ var map, modId, err, usingPathFallback,
+ waitInterval = config.waitSeconds * 1000,
+ //It is possible to disable the wait interval by using waitSeconds of 0.
+ expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(),
+ noLoads = [],
+ stillLoading = false,
+ needCycleCheck = true;
+
+ //Do not bother if this call was a result of a cycle break.
+ if (inCheckLoaded) {
+ return;
+ }
+
+ inCheckLoaded = true;
+
+ //Figure out the state of all the modules.
+ eachProp(registry, function (mod) {
+ map = mod.map;
+ modId = map.id;
+
+ //Skip things that are not enabled or in error state.
+ if (!mod.enabled) {
+ return;
+ }
+
+ if (!mod.error) {
+ //If the module should be executed, and it has not
+ //been inited and time is up, remember it.
+ if (!mod.inited && expired) {
+ if (hasPathFallback(modId)) {
+ usingPathFallback = true;
+ stillLoading = true;
+ } else {
+ noLoads.push(modId);
+ removeScript(modId);
+ }
+ } else if (!mod.inited && mod.fetched && map.isDefine) {
+ stillLoading = true;
+ if (!map.prefix) {
+ //No reason to keep looking for unfinished
+ //loading. If the only stillLoading is a
+ //plugin resource though, keep going,
+ //because it may be that a plugin resource
+ //is waiting on a non-plugin cycle.
+ return (needCycleCheck = false);
+ }
+ }
+ }
+ });
+
+ if (expired && noLoads.length) {
+ //If wait time expired, throw error of unloaded modules.
+ err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
+ err.contextName = context.contextName;
+ return onError(err);
+ }
+
+ //Not expired, check for a cycle.
+ if (needCycleCheck) {
+
+ each(waitAry, function (mod) {
+ if (mod.defined) {
+ return;
+ }
+
+ var cycleMod = findCycle(mod, {}, {}),
+ traced = {};
+
+ if (cycleMod) {
+ forceExec(cycleMod, traced, {});
+
+ //traced modules may have been
+ //removed from the registry, but
+ //their listeners still need to
+ //be called.
+ eachProp(traced, modCheck);
+ }
+ });
+
+ //Now that dependencies have
+ //been satisfied, trigger the
+ //completion check that then
+ //notifies listeners.
+ eachProp(registry, modCheck);
+ }
+
+ //If still waiting on loads, and the waiting load is something
+ //other than a plugin resource, or there are still outstanding
+ //scripts, then just try back later.
+ if ((!expired || usingPathFallback) && stillLoading) {
+ //Something is still waiting to load. Wait for it, but only
+ //if a timeout is not already in effect.
+ if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
+ checkLoadedTimeoutId = setTimeout(function () {
+ checkLoadedTimeoutId = 0;
+ checkLoaded();
+ }, 50);
+ }
+ }
+
+ inCheckLoaded = false;
+ }
+
+ Module = function (map) {
+ this.events = undefEvents[map.id] || {};
+ this.map = map;
+ this.shim = config.shim[map.id];
+ this.depExports = [];
+ this.depMaps = [];
+ this.depMatched = [];
+ this.pluginMaps = {};
+ this.depCount = 0;
+
+ /* this.exports this.factory
+ this.depMaps = [],
+ this.enabled, this.fetched
+ */
+ };
+
+ Module.prototype = {
+ init: function (depMaps, factory, errback, options) {
+ options = options || {};
+
+ //Do not do more inits if already done. Can happen if there
+ //are multiple define calls for the same module. That is not
+ //a normal, common case, but it is also not unexpected.
+ if (this.inited) {
+ return;
+ }
+
+ this.factory = factory;
+
+ if (errback) {
+ //Register for errors on this module.
+ this.on('error', errback);
+ } else if (this.events.error) {
+ //If no errback already, but there are error listeners
+ //on this module, set up an errback to pass to the deps.
+ errback = bind(this, function (err) {
+ this.emit('error', err);
+ });
+ }
+
+ //Do a copy of the dependency array, so that
+ //source inputs are not modified. For example
+ //"shim" deps are passed in here directly, and
+ //doing a direct modification of the depMaps array
+ //would affect that config.
+ this.depMaps = depMaps && depMaps.slice(0);
+ this.depMaps.rjsSkipMap = depMaps.rjsSkipMap;
+
+ this.errback = errback;
+
+ //Indicate this module has be initialized
+ this.inited = true;
+
+ this.ignore = options.ignore;
+
+ //Could have option to init this module in enabled mode,
+ //or could have been previously marked as enabled. However,
+ //the dependencies are not known until init is called. So
+ //if enabled previously, now trigger dependencies as enabled.
+ if (options.enabled || this.enabled) {
+ //Enable this module and dependencies.
+ //Will call this.check()
+ this.enable();
+ } else {
+ this.check();
+ }
+ },
+
+ defineDepById: function (id, depExports) {
+ var i;
+
+ //Find the index for this dependency.
+ each(this.depMaps, function (map, index) {
+ if (map.id === id) {
+ i = index;
+ return true;
+ }
+ });
+
+ return this.defineDep(i, depExports);
+ },
+
+ defineDep: function (i, depExports) {
+ //Because of cycles, defined callback for a given
+ //export can be called more than once.
+ if (!this.depMatched[i]) {
+ this.depMatched[i] = true;
+ this.depCount -= 1;
+ this.depExports[i] = depExports;
+ }
+ },
+
+ fetch: function () {
+ if (this.fetched) {
+ return;
+ }
+ this.fetched = true;
+
+ context.startTime = (new Date()).getTime();
+
+ var map = this.map;
+
+ //If the manager is for a plugin managed resource,
+ //ask the plugin to load it now.
+ if (this.shim) {
+ makeRequire(this, true)(this.shim.deps || [], bind(this, function () {
+ return map.prefix ? this.callPlugin() : this.load();
+ }));
+ } else {
+ //Regular dependency.
+ return map.prefix ? this.callPlugin() : this.load();
+ }
+ },
+
+ load: function () {
+ var url = this.map.url;
+
+ //Regular dependency.
+ if (!urlFetched[url]) {
+ urlFetched[url] = true;
+ context.load(this.map.id, url);
+ }
+ },
+
+ /**
+ * Checks is the module is ready to define itself, and if so,
+ * define it. If the silent argument is true, then it will just
+ * define, but not notify listeners, and not ask for a context-wide
+ * check of all loaded modules. That is useful for cycle breaking.
+ */
+ check: function (silent) {
+ if (!this.enabled || this.enabling) {
+ return;
+ }
+
+ var err, cjsModule,
+ id = this.map.id,
+ depExports = this.depExports,
+ exports = this.exports,
+ factory = this.factory;
+
+ if (!this.inited) {
+ this.fetch();
+ } else if (this.error) {
+ this.emit('error', this.error);
+ } else if (!this.defining) {
+ //The factory could trigger another require call
+ //that would result in checking this module to
+ //define itself again. If already in the process
+ //of doing that, skip this work.
+ this.defining = true;
+
+ if (this.depCount < 1 && !this.defined) {
+ if (isFunction(factory)) {
+ //If there is an error listener, favor passing
+ //to that instead of throwing an error.
+ if (this.events.error) {
+ try {
+ exports = context.execCb(id, factory, depExports, exports);
+ } catch (e) {
+ err = e;
+ }
+ } else {
+ exports = context.execCb(id, factory, depExports, exports);
+ }
+
+ if (this.map.isDefine) {
+ //If setting exports via 'module' is in play,
+ //favor that over return value and exports. After that,
+ //favor a non-undefined return value over exports use.
+ cjsModule = this.module;
+ if (cjsModule &&
+ cjsModule.exports !== undefined &&
+ //Make sure it is not already the exports value
+ cjsModule.exports !== this.exports) {
+ exports = cjsModule.exports;
+ } else if (exports === undefined && this.usingExports) {
+ //exports already set the defined value.
+ exports = this.exports;
+ }
+ }
+
+ if (err) {
+ err.requireMap = this.map;
+ err.requireModules = [this.map.id];
+ err.requireType = 'define';
+ return onError((this.error = err));
+ }
+
+ } else {
+ //Just a literal value
+ exports = factory;
+ }
+
+ this.exports = exports;
+
+ if (this.map.isDefine && !this.ignore) {
+ defined[id] = exports;
+
+ if (req.onResourceLoad) {
+ req.onResourceLoad(context, this.map, this.depMaps);
+ }
+ }
+
+ //Clean up
+ delete registry[id];
+
+ this.defined = true;
+ context.waitCount -= 1;
+ if (context.waitCount === 0) {
+ //Clear the wait array used for cycles.
+ waitAry = [];
+ }
+ }
+
+ //Finished the define stage. Allow calling check again
+ //to allow define notifications below in the case of a
+ //cycle.
+ this.defining = false;
+
+ if (!silent) {
+ if (this.defined && !this.defineEmitted) {
+ this.defineEmitted = true;
+ this.emit('defined', this.exports);
+ this.defineEmitComplete = true;
+ }
+ }
+ }
+ },
+
+ callPlugin: function () {
+ var map = this.map,
+ id = map.id,
+ pluginMap = makeModuleMap(map.prefix, null, false, true);
+
+ on(pluginMap, 'defined', bind(this, function (plugin) {
+ var load, normalizedMap, normalizedMod,
+ name = this.map.name,
+ parentName = this.map.parentMap ? this.map.parentMap.name : null;
+
+ //If current map is not normalized, wait for that
+ //normalized name to load instead of continuing.
+ if (this.map.unnormalized) {
+ //Normalize the ID if the plugin allows it.
+ if (plugin.normalize) {
+ name = plugin.normalize(name, function (name) {
+ return normalize(name, parentName, true);
+ }) || '';
+ }
+
+ normalizedMap = makeModuleMap(map.prefix + '!' + name,
+ this.map.parentMap,
+ false,
+ true);
+ on(normalizedMap,
+ 'defined', bind(this, function (value) {
+ this.init([], function () { return value; }, null, {
+ enabled: true,
+ ignore: true
+ });
+ }));
+ normalizedMod = registry[normalizedMap.id];
+ if (normalizedMod) {
+ if (this.events.error) {
+ normalizedMod.on('error', bind(this, function (err) {
+ this.emit('error', err);
+ }));
+ }
+ normalizedMod.enable();
+ }
+
+ return;
+ }
+
+ load = bind(this, function (value) {
+ this.init([], function () { return value; }, null, {
+ enabled: true
+ });
+ });
+
+ load.error = bind(this, function (err) {
+ this.inited = true;
+ this.error = err;
+ err.requireModules = [id];
+
+ //Remove temp unnormalized modules for this module,
+ //since they will never be resolved otherwise now.
+ eachProp(registry, function (mod) {
+ if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
+ removeWaiting(mod.map.id);
+ }
+ });
+
+ onError(err);
+ });
+
+ //Allow plugins to load other code without having to know the
+ //context or how to 'complete' the load.
+ load.fromText = function (moduleName, text) {
+ /*jslint evil: true */
+ var hasInteractive = useInteractive;
+
+ //Turn off interactive script matching for IE for any define
+ //calls in the text, then turn it back on at the end.
+ if (hasInteractive) {
+ useInteractive = false;
+ }
+
+ //Prime the system by creating a module instance for
+ //it.
+ getModule(makeModuleMap(moduleName));
+
+ req.exec(text);
+
+ if (hasInteractive) {
+ useInteractive = true;
+ }
+
+ //Support anonymous modules.
+ context.completeLoad(moduleName);
+ };
+
+ //Use parentName here since the plugin's name is not reliable,
+ //could be some weird string with no path that actually wants to
+ //reference the parentName's path.
+ plugin.load(map.name, makeRequire(map.parentMap, true, function (deps, cb, er) {
+ deps.rjsSkipMap = true;
+ return context.require(deps, cb, er);
+ }), load, config);
+ }));
+
+ context.enable(pluginMap, this);
+ this.pluginMaps[pluginMap.id] = pluginMap;
+ },
+
+ enable: function () {
+ this.enabled = true;
+
+ if (!this.waitPushed) {
+ waitAry.push(this);
+ context.waitCount += 1;
+ this.waitPushed = true;
+ }
+
+ //Set flag mentioning that the module is enabling,
+ //so that immediate calls to the defined callbacks
+ //for dependencies do not trigger inadvertent load
+ //with the depCount still being zero.
+ this.enabling = true;
+
+ //Enable each dependency
+ each(this.depMaps, bind(this, function (depMap, i) {
+ var id, mod, handler;
+
+ if (typeof depMap === 'string') {
+ //Dependency needs to be converted to a depMap
+ //and wired up to this module.
+ depMap = makeModuleMap(depMap,
+ (this.map.isDefine ? this.map : this.map.parentMap),
+ false,
+ !this.depMaps.rjsSkipMap);
+ this.depMaps[i] = depMap;
+
+ handler = handlers[depMap.id];
+
+ if (handler) {
+ this.depExports[i] = handler(this);
+ return;
+ }
+
+ this.depCount += 1;
+
+ on(depMap, 'defined', bind(this, function (depExports) {
+ this.defineDep(i, depExports);
+ this.check();
+ }));
+
+ if (this.errback) {
+ on(depMap, 'error', this.errback);
+ }
+ }
+
+ id = depMap.id;
+ mod = registry[id];
+
+ //Skip special modules like 'require', 'exports', 'module'
+ //Also, don't call enable if it is already enabled,
+ //important in circular dependency cases.
+ if (!handlers[id] && mod && !mod.enabled) {
+ context.enable(depMap, this);
+ }
+ }));
+
+ //Enable each plugin that is used in
+ //a dependency
+ eachProp(this.pluginMaps, bind(this, function (pluginMap) {
+ var mod = registry[pluginMap.id];
+ if (mod && !mod.enabled) {
+ context.enable(pluginMap, this);
+ }
+ }));
+
+ this.enabling = false;
+
+ this.check();
+ },
+
+ on: function (name, cb) {
+ var cbs = this.events[name];
+ if (!cbs) {
+ cbs = this.events[name] = [];
+ }
+ cbs.push(cb);
+ },
+
+ emit: function (name, evt) {
+ each(this.events[name], function (cb) {
+ cb(evt);
+ });
+ if (name === 'error') {
+ //Now that the error handler was triggered, remove
+ //the listeners, since this broken Module instance
+ //can stay around for a while in the registry/waitAry.
+ delete this.events[name];
+ }
+ }
+ };
+
+ function callGetModule(args) {
+ getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
+ }
+
+ function removeListener(node, func, name, ieName) {
+ //Favor detachEvent because of IE9
+ //issue, see attachEvent/addEventListener comment elsewhere
+ //in this file.
+ if (node.detachEvent && !isOpera) {
+ //Probably IE. If not it will throw an error, which will be
+ //useful to know.
+ if (ieName) {
+ node.detachEvent(ieName, func);
+ }
+ } else {
+ node.removeEventListener(name, func, false);
+ }
+ }
+
+ /**
+ * Given an event from a script node, get the requirejs info from it,
+ * and then removes the event listeners on the node.
+ * @param {Event} evt
+ * @returns {Object}
+ */
+ function getScriptData(evt) {
+ //Using currentTarget instead of target for Firefox 2.0's sake. Not
+ //all old browsers will be supported, but this one was easy enough
+ //to support and still makes sense.
+ var node = evt.currentTarget || evt.srcElement;
+
+ //Remove the listeners once here.
+ removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
+ removeListener(node, context.onScriptError, 'error');
+
+ return {
+ node: node,
+ id: node && node.getAttribute('data-requiremodule')
+ };
+ }
+
+ return (context = {
+ config: config,
+ contextName: contextName,
+ registry: registry,
+ defined: defined,
+ urlFetched: urlFetched,
+ waitCount: 0,
+ defQueue: defQueue,
+ Module: Module,
+ makeModuleMap: makeModuleMap,
+
+ /**
+ * Set a configuration for the context.
+ * @param {Object} cfg config object to integrate.
+ */
+ configure: function (cfg) {
+ //Make sure the baseUrl ends in a slash.
+ if (cfg.baseUrl) {
+ if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
+ cfg.baseUrl += '/';
+ }
+ }
+
+ //Save off the paths and packages since they require special processing,
+ //they are additive.
+ var pkgs = config.pkgs,
+ shim = config.shim,
+ paths = config.paths,
+ map = config.map;
+
+ //Mix in the config values, favoring the new values over
+ //existing ones in context.config.
+ mixin(config, cfg, true);
+
+ //Merge paths.
+ config.paths = mixin(paths, cfg.paths, true);
+
+ //Merge map
+ if (cfg.map) {
+ config.map = mixin(map || {}, cfg.map, true, true);
+ }
+
+ //Merge shim
+ if (cfg.shim) {
+ eachProp(cfg.shim, function (value, id) {
+ //Normalize the structure
+ if (isArray(value)) {
+ value = {
+ deps: value
+ };
+ }
+ if (value.exports && !value.exports.__buildReady) {
+ value.exports = context.makeShimExports(value.exports);
+ }
+ shim[id] = value;
+ });
+ config.shim = shim;
+ }
+
+ //Adjust packages if necessary.
+ if (cfg.packages) {
+ each(cfg.packages, function (pkgObj) {
+ var location;
+
+ pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj;
+ location = pkgObj.location;
+
+ //Create a brand new object on pkgs, since currentPackages can
+ //be passed in again, and config.pkgs is the internal transformed
+ //state for all package configs.
+ pkgs[pkgObj.name] = {
+ name: pkgObj.name,
+ location: location || pkgObj.name,
+ //Remove leading dot in main, so main paths are normalized,
+ //and remove any trailing .js, since different package
+ //envs have different conventions: some use a module name,
+ //some use a file name.
+ main: (pkgObj.main || 'main')
+ .replace(currDirRegExp, '')
+ .replace(jsSuffixRegExp, '')
+ };
+ });
+
+ //Done with modifications, assing packages back to context config
+ config.pkgs = pkgs;
+ }
+
+ //If there are any "waiting to execute" modules in the registry,
+ //update the maps for them, since their info, like URLs to load,
+ //may have changed.
+ eachProp(registry, function (mod, id) {
+ //If module already has init called, since it is too
+ //late to modify them, and ignore unnormalized ones
+ //since they are transient.
+ if (!mod.inited && !mod.map.unnormalized) {
+ mod.map = makeModuleMap(id);
+ }
+ });
+
+ //If a deps array or a config callback is specified, then call
+ //require with those args. This is useful when require is defined as a
+ //config object before require.js is loaded.
+ if (cfg.deps || cfg.callback) {
+ context.require(cfg.deps || [], cfg.callback);
+ }
+ },
+
+ makeShimExports: function (exports) {
+ var func;
+ if (typeof exports === 'string') {
+ func = function () {
+ return getGlobal(exports);
+ };
+ //Save the exports for use in nodefine checking.
+ func.exports = exports;
+ return func;
+ } else {
+ return function () {
+ return exports.apply(global, arguments);
+ };
+ }
+ },
+
+ requireDefined: function (id, relMap) {
+ return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
+ },
+
+ requireSpecified: function (id, relMap) {
+ id = makeModuleMap(id, relMap, false, true).id;
+ return hasProp(defined, id) || hasProp(registry, id);
+ },
+
+ require: function (deps, callback, errback, relMap) {
+ var moduleName, id, map, requireMod, args;
+ if (typeof deps === 'string') {
+ if (isFunction(callback)) {
+ //Invalid call
+ return onError(makeError('requireargs', 'Invalid require call'), errback);
+ }
+
+ //Synchronous access to one module. If require.get is
+ //available (as in the Node adapter), prefer that.
+ //In this case deps is the moduleName and callback is
+ //the relMap
+ if (req.get) {
+ return req.get(context, deps, callback);
+ }
+
+ //Just return the module wanted. In this scenario, the
+ //second arg (if passed) is just the relMap.
+ moduleName = deps;
+ relMap = callback;
+
+ //Normalize module name, if it contains . or ..
+ map = makeModuleMap(moduleName, relMap, false, true);
+ id = map.id;
+
+ if (!hasProp(defined, id)) {
+ return onError(makeError('notloaded', 'Module name "' +
+ id +
+ '" has not been loaded yet for context: ' +
+ contextName));
+ }
+ return defined[id];
+ }
+
+ //Callback require. Normalize args. if callback or errback is
+ //not a function, it means it is a relMap. Test errback first.
+ if (errback && !isFunction(errback)) {
+ relMap = errback;
+ errback = undefined;
+ }
+ if (callback && !isFunction(callback)) {
+ relMap = callback;
+ callback = undefined;
+ }
+
+ //Any defined modules in the global queue, intake them now.
+ takeGlobalQueue();
+
+ //Make sure any remaining defQueue items get properly processed.
+ while (defQueue.length) {
+ args = defQueue.shift();
+ if (args[0] === null) {
+ return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1]));
+ } else {
+ //args are id, deps, factory. Should be normalized by the
+ //define() function.
+ callGetModule(args);
+ }
+ }
+
+ //Mark all the dependencies as needing to be loaded.
+ requireMod = getModule(makeModuleMap(null, relMap));
+
+ requireMod.init(deps, callback, errback, {
+ enabled: true
+ });
+
+ checkLoaded();
+
+ return context.require;
+ },
+
+ undef: function (id) {
+ //Bind any waiting define() calls to this context,
+ //fix for #408
+ takeGlobalQueue();
+
+ var map = makeModuleMap(id, null, true),
+ mod = registry[id];
+
+ delete defined[id];
+ delete urlFetched[map.url];
+ delete undefEvents[id];
+
+ if (mod) {
+ //Hold on to listeners in case the
+ //module will be attempted to be reloaded
+ //using a different config.
+ if (mod.events.defined) {
+ undefEvents[id] = mod.events;
+ }
+
+ removeWaiting(id);
+ }
+ },
+
+ /**
+ * Called to enable a module if it is still in the registry
+ * awaiting enablement. parent module is passed in for context,
+ * used by the optimizer.
+ */
+ enable: function (depMap, parent) {
+ var mod = registry[depMap.id];
+ if (mod) {
+ getModule(depMap).enable();
+ }
+ },
+
+ /**
+ * Internal method used by environment adapters to complete a load event.
+ * A load event could be a script load or just a load pass from a synchronous
+ * load call.
+ * @param {String} moduleName the name of the module to potentially complete.
+ */
+ completeLoad: function (moduleName) {
+ var found, args, mod,
+ shim = config.shim[moduleName] || {},
+ shExports = shim.exports && shim.exports.exports;
+
+ takeGlobalQueue();
+
+ while (defQueue.length) {
+ args = defQueue.shift();
+ if (args[0] === null) {
+ args[0] = moduleName;
+ //If already found an anonymous module and bound it
+ //to this name, then this is some other anon module
+ //waiting for its completeLoad to fire.
+ if (found) {
+ break;
+ }
+ found = true;
+ } else if (args[0] === moduleName) {
+ //Found matching define call for this script!
+ found = true;
+ }
+
+ callGetModule(args);
+ }
+
+ //Do this after the cycle of callGetModule in case the result
+ //of those calls/init calls changes the registry.
+ mod = registry[moduleName];
+
+ if (!found && !defined[moduleName] && mod && !mod.inited) {
+ if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
+ if (hasPathFallback(moduleName)) {
+ return;
+ } else {
+ return onError(makeError('nodefine',
+ 'No define call for ' + moduleName,
+ null,
+ [moduleName]));
+ }
+ } else {
+ //A script that does not call define(), so just simulate
+ //the call for it.
+ callGetModule([moduleName, (shim.deps || []), shim.exports]);
+ }
+ }
+
+ checkLoaded();
+ },
+
+ /**
+ * Converts a module name + .extension into an URL path.
+ * *Requires* the use of a module name. It does not support using
+ * plain URLs like nameToUrl.
+ */
+ toUrl: function (moduleNamePlusExt, relModuleMap) {
+ var index = moduleNamePlusExt.lastIndexOf('.'),
+ ext = null;
+
+ if (index !== -1) {
+ ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
+ moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
+ }
+
+ return context.nameToUrl(normalize(moduleNamePlusExt, relModuleMap && relModuleMap.id, true),
+ ext);
+ },
+
+ /**
+ * Converts a module name to a file path. Supports cases where
+ * moduleName may actually be just an URL.
+ * Note that it **does not** call normalize on the moduleName,
+ * it is assumed to have already been normalized. This is an
+ * internal API, not a public one. Use toUrl for the public API.
+ */
+ nameToUrl: function (moduleName, ext) {
+ var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url,
+ parentPath;
+
+ //If a colon is in the URL, it indicates a protocol is used and it is just
+ //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
+ //or ends with .js, then assume the user meant to use an url and not a module id.
+ //The slash is important for protocol-less URLs as well as full paths.
+ if (req.jsExtRegExp.test(moduleName)) {
+ //Just a plain path, not module name lookup, so just return it.
+ //Add extension if it is included. This is a bit wonky, only non-.js things pass
+ //an extension, this method probably needs to be reworked.
+ url = moduleName + (ext || '');
+ } else {
+ //A module that needs to be converted to a path.
+ paths = config.paths;
+ pkgs = config.pkgs;
+
+ syms = moduleName.split('/');
+ //For each module name segment, see if there is a path
+ //registered for it. Start with most specific name
+ //and work up from it.
+ for (i = syms.length; i > 0; i -= 1) {
+ parentModule = syms.slice(0, i).join('/');
+ pkg = pkgs[parentModule];
+ parentPath = paths[parentModule];
+ if (parentPath) {
+ //If an array, it means there are a few choices,
+ //Choose the one that is desired
+ if (isArray(parentPath)) {
+ parentPath = parentPath[0];
+ }
+ syms.splice(0, i, parentPath);
+ break;
+ } else if (pkg) {
+ //If module name is just the package name, then looking
+ //for the main module.
+ if (moduleName === pkg.name) {
+ pkgPath = pkg.location + '/' + pkg.main;
+ } else {
+ pkgPath = pkg.location;
+ }
+ syms.splice(0, i, pkgPath);
+ break;
+ }
+ }
+
+ //Join the path parts together, then figure out if baseUrl is needed.
+ url = syms.join('/');
+ url += (ext || (/\?/.test(url) ? '' : '.js'));
+ url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
+ }
+
+ return config.urlArgs ? url +
+ ((url.indexOf('?') === -1 ? '?' : '&') +
+ config.urlArgs) : url;
+ },
+
+ //Delegates to req.load. Broken out as a separate function to
+ //allow overriding in the optimizer.
+ load: function (id, url) {
+ req.load(context, id, url);
+ },
+
+ /**
+ * Executes a module callack function. Broken out as a separate function
+ * solely to allow the build system to sequence the files in the built
+ * layer in the right sequence.
+ *
+ * @private
+ */
+ execCb: function (name, callback, args, exports) {
+ return callback.apply(exports, args);
+ },
+
+ /**
+ * callback for script loads, used to check status of loading.
+ *
+ * @param {Event} evt the event from the browser for the script
+ * that was loaded.
+ */
+ onScriptLoad: function (evt) {
+ //Using currentTarget instead of target for Firefox 2.0's sake. Not
+ //all old browsers will be supported, but this one was easy enough
+ //to support and still makes sense.
+ if (evt.type === 'load' ||
+ (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
+ //Reset interactive script so a script node is not held onto for
+ //to long.
+ interactiveScript = null;
+
+ //Pull out the name of the module and the context.
+ var data = getScriptData(evt);
+ context.completeLoad(data.id);
+ }
+ },
+
+ /**
+ * Callback for script errors.
+ */
+ onScriptError: function (evt) {
+ var data = getScriptData(evt);
+ if (!hasPathFallback(data.id)) {
+ return onError(makeError('scripterror', 'Script error', evt, [data.id]));
+ }
+ }
+ });
+ }
+
+ /**
+ * Main entry point.
+ *
+ * If the only argument to require is a string, then the module that
+ * is represented by that string is fetched for the appropriate context.
+ *
+ * If the first argument is an array, then it will be treated as an array
+ * of dependency string names to fetch. An optional function callback can
+ * be specified to execute when all of those dependencies are available.
+ *
+ * Make a local req variable to help Caja compliance (it assumes things
+ * on a require that are not standardized), and to give a short
+ * name for minification/local scope use.
+ */
+ req = requirejs = function (deps, callback, errback, optional) {
+
+ //Find the right context, use default
+ var context, config,
+ contextName = defContextName;
+
+ // Determine if have config object in the call.
+ if (!isArray(deps) && typeof deps !== 'string') {
+ // deps is a config object
+ config = deps;
+ if (isArray(callback)) {
+ // Adjust args if there are dependencies
+ deps = callback;
+ callback = errback;
+ errback = optional;
+ } else {
+ deps = [];
+ }
+ }
+
+ if (config && config.context) {
+ contextName = config.context;
+ }
+
+ context = contexts[contextName];
+ if (!context) {
+ context = contexts[contextName] = req.s.newContext(contextName);
+ }
+
+ if (config) {
+ context.configure(config);
+ }
+
+ return context.require(deps, callback, errback);
+ };
+
+ /**
+ * Support require.config() to make it easier to cooperate with other
+ * AMD loaders on globally agreed names.
+ */
+ req.config = function (config) {
+ return req(config);
+ };
+
+ /**
+ * Export require as a global, but only if it does not already exist.
+ */
+ if (!require) {
+ require = req;
+ }
+
+ req.version = version;
+
+ //Used to filter out dependencies that are already paths.
+ req.jsExtRegExp = /^\/|:|\?|\.js$/;
+ req.isBrowser = isBrowser;
+ s = req.s = {
+ contexts: contexts,
+ newContext: newContext
+ };
+
+ //Create default context.
+ req({});
+
+ //Exports some context-sensitive methods on global require, using
+ //default context if no context specified.
+ addRequireMethods(req);
+
+ if (isBrowser) {
+ head = s.head = document.getElementsByTagName('head')[0];
+ //If BASE tag is in play, using appendChild is a problem for IE6.
+ //When that browser dies, this can be removed. Details in this jQuery bug:
+ //http://dev.jquery.com/ticket/2709
+ baseElement = document.getElementsByTagName('base')[0];
+ if (baseElement) {
+ head = s.head = baseElement.parentNode;
+ }
+ }
+
+ /**
+ * Any errors that require explicitly generates will be passed to this
+ * function. Intercept/override it if you want custom error handling.
+ * @param {Error} err the error object.
+ */
+ req.onError = function (err) {
+ throw err;
+ };
+
+ /**
+ * Does the request to load a module for the browser case.
+ * Make this a separate function to allow other environments
+ * to override it.
+ *
+ * @param {Object} context the require context to find state.
+ * @param {String} moduleName the name of the module.
+ * @param {Object} url the URL to the module.
+ */
+ req.load = function (context, moduleName, url) {
+ var config = (context && context.config) || {},
+ node;
+ if (isBrowser) {
+ //In the browser so use a script tag
+ node = config.xhtml ?
+ document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
+ document.createElement('script');
+ node.type = config.scriptType || 'text/javascript';
+ node.charset = 'utf-8';
+ node.async = true;
+
+ node.setAttribute('data-requirecontext', context.contextName);
+ node.setAttribute('data-requiremodule', moduleName);
+
+ //Set up load listener. Test attachEvent first because IE9 has
+ //a subtle issue in its addEventListener and script onload firings
+ //that do not match the behavior of all other browsers with
+ //addEventListener support, which fire the onload event for a
+ //script right after the script execution. See:
+ //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
+ //UNFORTUNATELY Opera implements attachEvent but does not follow the script
+ //script execution mode.
+ if (node.attachEvent &&
+ //Check if node.attachEvent is artificially added by custom script or
+ //natively supported by browser
+ //read https://github.com/jrburke/requirejs/issues/187
+ //if we can NOT find [native code] then it must NOT natively supported.
+ //in IE8, node.attachEvent does not have toString()
+ //Note the test for "[native code" with no closing brace, see:
+ //https://github.com/jrburke/requirejs/issues/273
+ !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) &&
+ !isOpera) {
+ //Probably IE. IE (at least 6-8) do not fire
+ //script onload right after executing the script, so
+ //we cannot tie the anonymous define call to a name.
+ //However, IE reports the script as being in 'interactive'
+ //readyState at the time of the define call.
+ useInteractive = true;
+
+ node.attachEvent('onreadystatechange', context.onScriptLoad);
+ //It would be great to add an error handler here to catch
+ //404s in IE9+. However, onreadystatechange will fire before
+ //the error handler, so that does not help. If addEvenListener
+ //is used, then IE will fire error before load, but we cannot
+ //use that pathway given the connect.microsoft.com issue
+ //mentioned above about not doing the 'script execute,
+ //then fire the script load event listener before execute
+ //next script' that other browsers do.
+ //Best hope: IE10 fixes the issues,
+ //and then destroys all installs of IE 6-9.
+ //node.attachEvent('onerror', context.onScriptError);
+ } else {
+ node.addEventListener('load', context.onScriptLoad, false);
+ node.addEventListener('error', context.onScriptError, false);
+ }
+ node.src = url;
+
+ //For some cache cases in IE 6-8, the script executes before the end
+ //of the appendChild execution, so to tie an anonymous define
+ //call to the module name (which is stored on the node), hold on
+ //to a reference to this node, but clear after the DOM insertion.
+ currentlyAddingScript = node;
+ if (baseElement) {
+ head.insertBefore(node, baseElement);
+ } else {
+ head.appendChild(node);
+ }
+ currentlyAddingScript = null;
+
+ return node;
+ } else if (isWebWorker) {
+ //In a web worker, use importScripts. This is not a very
+ //efficient use of importScripts, importScripts will block until
+ //its script is downloaded and evaluated. However, if web workers
+ //are in play, the expectation that a build has been done so that
+ //only one script needs to be loaded anyway. This may need to be
+ //reevaluated if other use cases become common.
+ importScripts(url);
+
+ //Account for anonymous modules
+ context.completeLoad(moduleName);
+ }
+ };
+
+ function getInteractiveScript() {
+ if (interactiveScript && interactiveScript.readyState === 'interactive') {
+ return interactiveScript;
+ }
+
+ eachReverse(scripts(), function (script) {
+ if (script.readyState === 'interactive') {
+ return (interactiveScript = script);
+ }
+ });
+ return interactiveScript;
+ }
+
+ //Look for a data-main script attribute, which could also adjust the baseUrl.
+ if (isBrowser) {
+ //Figure out baseUrl. Get it from the script tag with require.js in it.
+ eachReverse(scripts(), function (script) {
+ //Set the 'head' where we can append children by
+ //using the script's parent.
+ if (!head) {
+ head = script.parentNode;
+ }
+
+ //Look for a data-main attribute to set main script for the page
+ //to load. If it is there, the path to data main becomes the
+ //baseUrl, if it is not already set.
+ dataMain = script.getAttribute('data-main');
+ if (dataMain) {
+ //Set final baseUrl if there is not already an explicit one.
+ if (!cfg.baseUrl) {
+ //Pull off the directory of data-main for use as the
+ //baseUrl.
+ src = dataMain.split('/');
+ mainScript = src.pop();
+ subPath = src.length ? src.join('/') + '/' : './';
+
+ cfg.baseUrl = subPath;
+ dataMain = mainScript;
+ }
+
+ //Strip off any trailing .js since dataMain is now
+ //like a module name.
+ dataMain = dataMain.replace(jsSuffixRegExp, '');
+
+ //Put the data-main script in the files to load.
+ cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
+
+ return true;
+ }
+ });
+ }
+
+ /**
+ * The function that handles definitions of modules. Differs from
+ * require() in that a string for the module should be the first argument,
+ * and the function to execute after dependencies are loaded should
+ * return a value to define the module corresponding to the first argument's
+ * name.
+ */
+ define = function (name, deps, callback) {
+ var node, context;
+
+ //Allow for anonymous functions
+ if (typeof name !== 'string') {
+ //Adjust args appropriately
+ callback = deps;
+ deps = name;
+ name = null;
+ }
+
+ //This module may not have dependencies
+ if (!isArray(deps)) {
+ callback = deps;
+ deps = [];
+ }
+
+ //If no name, and callback is a function, then figure out if it a
+ //CommonJS thing with dependencies.
+ if (!deps.length && isFunction(callback)) {
+ //Remove comments from the callback string,
+ //look for require calls, and pull them into the dependencies,
+ //but only if there are function args.
+ if (callback.length) {
+ callback
+ .toString()
+ .replace(commentRegExp, '')
+ .replace(cjsRequireRegExp, function (match, dep) {
+ deps.push(dep);
+ });
+
+ //May be a CommonJS thing even without require calls, but still
+ //could use exports, and module. Avoid doing exports and module
+ //work though if it just needs require.
+ //REQUIRES the function to expect the CommonJS variables in the
+ //order listed below.
+ deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
+ }
+ }
+
+ //If in IE 6-8 and hit an anonymous define() call, do the interactive
+ //work.
+ if (useInteractive) {
+ node = currentlyAddingScript || getInteractiveScript();
+ if (node) {
+ if (!name) {
+ name = node.getAttribute('data-requiremodule');
+ }
+ context = contexts[node.getAttribute('data-requirecontext')];
+ }
+ }
+
+ //Always save off evaluating the def call until the script onload handler.
+ //This allows multiple modules to be in a file without prematurely
+ //tracing dependencies, and allows for anonymous module support,
+ //where the module name is not known until the script onload event
+ //occurs. If no context, use the global queue, and get it processed
+ //in the onscript load callback.
+ (context ? context.defQueue : globalDefQueue).push([name, deps, callback]);
+ };
+
+ define.amd = {
+ jQuery: true
+ };
+
+
+ /**
+ * Executes the text. Normally just uses eval, but can be modified
+ * to use a better, environment-specific call. Only used for transpiling
+ * loader plugins, not for plain JS modules.
+ * @param {String} text the text to execute/evaluate.
+ */
+ req.exec = function (text) {
+ /*jslint evil: true */
+ return eval(text);
+ };
+
+ //Set up with config info.
+ req(cfg);
+}(this));